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Table 6 Means and mean rank sums for the domain on cognition—Comparison between ICU survivors and controls at the time of completing the questionnaire

From: Long-term health-related quality of life and burden of disease after intensive care: development of a patient-reported outcome measure

  Issues Mean Mean rank sum p-value
ICU survivors Controls ICU survivors Controls
Cog1 Difficulties finding words 2.10 1.98 283.92 278.15 0.677
Cog2 Difficulties finishing sentences 1.72 1.47 291.65 265.66 0.040
Cog3 Losing the thread easily 1.88 1.46 302.73 246.23 0.000
Cog4 Don't remember what you have said 1.68 1.44 293.57 260.18 0.008
Cog5 Don't remember what you have done 1.46 1.22 294.28 257.11 0.001
Cog6 Think you have done something but you haven't 1.44 1.20 296.86 256.42 0.000
Cog7 Forgotten what you were going to get 2.30 2.11 283.64 272.82 0.427
Cog8 Need to be reminded to do an activity 1.57 1.29 265.27 236.39 0.007
Cog9 Difficulties thinking clearly 1.93 1.60 295.96 259.70 0.007
Cog10 Need for memos 2.40 2.27 284.43 275.63 0.529
Cog11 Difficulties remembering names 2.39 2.36 283.09 285.84 0.845
Cog12 Difficulties remembering general knowledge 1.69 1.63 253.68 247.39 0.599
Cog13 Difficulties remembering what you have read 1.95 1.77 272.88 260.12 0.324
Cog14 Difficulties remembering previous TV-episode 1.67 1.45 230.68 211.66 0.078
Cog15 Difficulties learning new things 1.71 1.50 230.61 219.21 0.287
Cog16 Difficulties remembering numbers 1.76 1.70 269.08 268.84 0.984
Cog17 Difficulties being on time 1.28 1.17 270.79 258.38 0.127
Cog18 Missed a scheduled meeting 1.14 1.04 260.82 249.87 0.064
Cog19 Mistaken which day of the week 1.77 1.41 297.31 251.46 0.000
Cog20 Forgotten where you have put something 2.26 2.34 273.42 297.58 0.082
Cog21 Need to double-check things 2.09 2.08 277.60 287.75 0.461
Cog22 Difficulties finding your way around 1.51 1.38 286.37 274.76 0.263
Cog23 Someone has said that you have memory problems 1.59 1.29 295.43 259.51 0.002
Cog24 Worrying about having memory problems 1.61 1.43 288.59 270.33 0.118
Cog25 Difficulties taking initiatives 1.89 1.53 298.98 252.38 0.000
Cog26 Difficulties prioritizing 1.73 1.59 245.72 235.74 0.378
Cog27 Difficulties concentrating 2.04 1.72 293.39 261.40 0.017
Cog28 Difficulties finding alternative solutions 1.59 1.34 234.77 208.96 0.010
Cog29 Time spent reading* 2.81 2.91 274.23 288.36 0.311
Cog30 Memory/thinking difficulties affecting QoL 1.80 1.40 262.02 214.63 0.000
Cog31 Worrying about your memory/thinking 1.78 1.52 295.25 266.15 0.021
  1. *Reversely coded response scale